1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <array>
10 
11 // template <size_t I, class T, size_t N> T& get(array<T, N>& a);
12 
13 // Prevent -Warray-bounds from issuing a diagnostic when testing with clang verify.
14 #if defined(__clang__)
15 #pragma clang diagnostic ignored "-Warray-bounds"
16 #endif
17 
18 #include <array>
19 #include <cassert>
20 
21 int main(int, char**)
22 {
23     {
24         typedef double T;
25         typedef std::array<T, 3> C;
26         C c = {1, 2, 3.5};
27         std::get<3>(c) = 5.5; // expected-note {{requested here}}
28         // expected-error-re@array:* {{static_assert failed{{( due to requirement '3U[L]{0,2} < 3U[L]{0,2}')?}} "Index out of bounds in std::get<> (std::array)"}}
29     }
30 
31   return 0;
32 }
33